<template>
	<view v-if=" goodsInfo.goods_price" class="goods-detail-container">
		<!-- 顶部轮播图区域 -->
		<swiper class="carousel-chart" :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
			<swiper-item v-for="(item,i) in goodsInfo.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<!-- 商品信息区域 -->
		<view class="goods-info-box">
			<!-- 商品价格 -->
			<view class="price">￥{{goodsInfo.goods_price}}</view>
			<!-- 商品信息主题区域 -->
			<view class="goods-info-body">
				<!-- 商品名称 -->
				<text class="goods_name">{{goodsInfo.goods_name}}</text>
				<!-- 收藏 -->
				<view class="favi">
				<uni-icons type="star" size="18" color="gray"></uni-icons>
				<text>收藏</text>
				</view>
			</view>
			<view class="yf">快递：免运费--{{cart[0].goods_count}}</view>
		</view>	
		<rich-text :nodes="goodsInfo.goods_introduce"></rich-text>
		<view class="goods-nav">
				<uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {mapState,mapMutations,mapGetters} from 'vuex'
	export default {
		computed:{
			// 映射my_cart 模块里的cart数据 【】里可以有模块里的多个数据
			...mapState('my_cart',['cart']),
			...mapGetters('my_cart',['total'])
			
		},
		watch:{
			// total(newValue){
			// 	const findResul = this.options.find( x => x.text === '购物车')
			// 	if(findResul){
			// 		findResul.info = newValue
			// 	}
			// }
			total:{
				immediate:true,
				handler(newValue){
						const findResul = this.options.find( x => x.text === '购物车')
						if(findResul){
							findResul.info = newValue
						}
					}
				}
			},
		data() {
			return {
				goodsInfo:{},
				 options: [{
							icon: 'shop',
							text: '店铺',
							infoBackgroundColor:'#007aff',
							infoColor:"red"
						}, {
							icon: 'cart',
							text: '购物车',
							info: 0
						}],
					    buttonGroup: [{
					      text: '加入购物车',
					      backgroundColor: '#ff0000',
					      color: '#fff'
					    },
					    {
					      text: '立即购买',
					      backgroundColor: '#ffa200',
					      color: '#fff'
					    }
					    ] 
				
			};
		},
		
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
			// this.options[1].info = this.total
		},

		methods:{
			...mapMutations('my_cart',['addCart']),
			async getGoodsDetail(goods_id){
				const res = await uni.$http.get("/api/public/v1/goods/detail",{goods_id})
				
				res.data.message.goods_introduce = res.data.message.goods_introduce.replace(/<img /g,'<img style="display:block;"').replace(/webp/g,'jpg')
				
				this. goodsInfo = res.data.message
			},
			preview(i){
				uni.previewImage({
					current:i, 
					urls:this.goodsInfo.pics.map(pic=>pic.pics_big)
				})
								
			},
			onClick(e){
					if(e.content.text === '购物车'){
					uni.switchTab({
						url:"/pages/cart/cart"
					})
				}
			},
			buttonClick(e){
				if(e.content.text === '加入购物车'){
					const goods = {
						goods_id : this.goodsInfo.goods_id,
						goods_name : this.goodsInfo.goods_name,
						goods_price : this.goodsInfo.goods_price,
						goods_count : 1,
						goods_small_logo : this.goodsInfo.goods_small_logo,
						goods_state : true
						}
					this.addCart(goods)
					}
				
			}
		}
	}
</script>

<style lang="scss">
.carousel-chart{
	height: 750rpx;
	
	image{
		width: 100%;
		height: 100%;
		
	}
}
.goods-info-box{
	padding: 10px;
	padding-right: 0;
	
	.price{
		font-size: 18px;
		color: #C00000;
		margin: 10px 0;
	}
	.goods-info-body{
		display: flex;
		justify-content: space-between;
		
		.goods_name{
			font-size: 13px;
			margin-right: 10px;
		}
		.favi{
			width: 120px;
			font-size: 12px;
			display: flex;
			flex-direction: column;
			// 横向居中
			align-items: center;
			// 纵向居中
			justify-content: center;
			border-left: 1px solid #efefef;
			color: gray;
		}
	}
	.yf{
		font-size: 12px;
		color: gray;
		margin: 10px 0;
	}
}
.goods-nav{
	
	position:fixed;
	bottom: 0;
	left: 0;
	width: 100%;
	
}
.goods-detail-container{
	padding-bottom: 50px;
}
</style>
